Online Tax System Inquiry
- To improve our tax processing Grundy County is utilizing Fike and Fike Tax Processing Software.
- Fike and Fike Tax Processing Software provides Online Tax Inquiry.
- The County Clerk’s Office, (815) 941-3227, can answer inquiries about the various tax rates and levies.
- The Supervisor of Assessments Office, (815) 941-3269, can offer assistance relating to assessments, property descriptions, exemptions and reporting mailing address changes.